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Analysis

  • max time kernel
    183s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 03:13

General

  • Target

    ef03807c9e429c2271f77f4f4cc1cd538605641dcd85b2a5b55de55524c5efe2.exe

  • Size

    1.4MB

  • MD5

    e23232a03ccf295f531a9a81b129c2c0

  • SHA1

    5977dc3b4220e8dcfee8933a3d1414dfdb122d29

  • SHA256

    ef03807c9e429c2271f77f4f4cc1cd538605641dcd85b2a5b55de55524c5efe2

  • SHA512

    9977599999eff2af8af99cf4fc81a36221fc847a96ca3c6db9a1cd32976ed8bafa2ec47e0306f2194f7c5771d65456a37b95fd3de52c178a930b093e2934e207

  • SSDEEP

    24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 3 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef03807c9e429c2271f77f4f4cc1cd538605641dcd85b2a5b55de55524c5efe2.exe
    "C:\Users\Admin\AppData\Local\Temp\ef03807c9e429c2271f77f4f4cc1cd538605641dcd85b2a5b55de55524c5efe2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ratt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3920
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c nslookup myip.opendns.com. resolver1.opendns.com
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup myip.opendns.com. resolver1.opendns.com
          4⤵
            PID:1352
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c wmic ComputerSystem get Domain
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3988
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic ComputerSystem get Domain
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4740
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ratt.exe"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4520
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1688
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\ratt.exe"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3884
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "$Env:SystemDrive\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1728
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionProcess "C:\Users\Admin\AppData\Local\Temp\ratt.exe"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5116
        • C:\Users\Admin\AppData\Local\Temp\7z.exe
          7z.exe x -o"C:\Users\Admin\AppData\Local\Temp" -y ratt.7z
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      1KB

      MD5

      33b19d75aa77114216dbc23f43b195e3

      SHA1

      36a6c3975e619e0c5232aa4f5b7dc1fec9525535

      SHA256

      b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2

      SHA512

      676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      11KB

      MD5

      f6d2ca857f8011cd371ede5cfdee7428

      SHA1

      b9e764b6ec25e5e928a8bcfefb7dfd5ceeb068eb

      SHA256

      2f291c31981b3e4386556193c000038137096d19873b4e9d2b0f079217e8cd78

      SHA512

      024f9eaa7cb94815122ed165ad8e43adc9d22a806f56dd5e16090a45b29e7d096b223d2f1e47ee733d65f3fd03307b5f4a8bb592b44cf1d7e209634232593633

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      11KB

      MD5

      41f4d48eaaeb4803194839bb40a9404e

      SHA1

      5af01799ed9746862bcf8f661e45a3179d4ab0f0

      SHA256

      c45d5f1830067d43b7635b594ec71d5c4e6a06c34d8c6ae9d3d5780bbd4523b6

      SHA512

      58fee9b9556355bc2c4572455237aa54544d4e5b8791fb90518aca3dd8b002461ba17f70a01c954d27eed4ba7659f0bbaeeb7bd7f262b952501f5c0666d52949

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      11KB

      MD5

      d6c621c5bc981881158c976e65a0e9a5

      SHA1

      badaae53cd7d4b93da185a23149bb084235925d8

      SHA256

      c42a1a0577375667877d530e5817334bc2ba5d7009ff352c0a5c5ee061267742

      SHA512

      156c52df9abe04e2739158ba522c3ad92ce6a55ce15c48727944d3f30407ead0ecdf6b4cd9f980409c3b5da88c2344cc0af8cce37f7576862952c24a4222b476

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      11KB

      MD5

      43711df3c8dc78c6876edf7d92f5e900

      SHA1

      44d0479a91f324c655de33c8ecca24832c7c6e9c

      SHA256

      9a2033285307610dd4e48f5f2322f9d2f3ae42bfb7a24c81d423c9b73b0fd137

      SHA512

      ab3543d9e2fae5bda8d6a9a1358e4919b0a9bd1f5816dba895f0eed89bc70406e1f58deafaaac77de4fd5baa60591edd306f808f8538c7debb02e08ebdc33440

    • C:\Users\Admin\AppData\Local\Temp\7z.dll

      Filesize

      328KB

      MD5

      15bbbe562f9be3e5dcbb834e635cc231

      SHA1

      7c01cf5fa4db2312c5ed2f7b8c41e3e5c346a51a

      SHA256

      ed50ef8e0b6dd83fb0c3f733329d4aa6e5a3beb3491e2ba9d2ae206813508dde

      SHA512

      769287951b8c16f4b10c1b58e82612844babe7b5c10445fe848d713fb5e8321bcbbd9780e9c564cffe35ea4144e8a7e19645291c4eea372fcaa19ae395a97287

    • C:\Users\Admin\AppData\Local\Temp\7z.dll

      Filesize

      328KB

      MD5

      15bbbe562f9be3e5dcbb834e635cc231

      SHA1

      7c01cf5fa4db2312c5ed2f7b8c41e3e5c346a51a

      SHA256

      ed50ef8e0b6dd83fb0c3f733329d4aa6e5a3beb3491e2ba9d2ae206813508dde

      SHA512

      769287951b8c16f4b10c1b58e82612844babe7b5c10445fe848d713fb5e8321bcbbd9780e9c564cffe35ea4144e8a7e19645291c4eea372fcaa19ae395a97287

    • C:\Users\Admin\AppData\Local\Temp\7z.exe

      Filesize

      71KB

      MD5

      8ba2e41b330ae9356e62eb63514cf82e

      SHA1

      8dc266467a5a0d587ed0181d4344581ef4ff30b2

      SHA256

      ea2ad8d87b79c8eb3952498c7005a195986436cfd7ca7736dbbdda979142daea

      SHA512

      2fdfc2d368c70320b3dac00fef06381ef90a2a82a1f3137109b033d84e5b70185039af6ec918012dc03bc9d046cd8d8aee3247ba0f59d394e78f1f73380f7a1d

    • C:\Users\Admin\AppData\Local\Temp\7z.exe

      Filesize

      71KB

      MD5

      8ba2e41b330ae9356e62eb63514cf82e

      SHA1

      8dc266467a5a0d587ed0181d4344581ef4ff30b2

      SHA256

      ea2ad8d87b79c8eb3952498c7005a195986436cfd7ca7736dbbdda979142daea

      SHA512

      2fdfc2d368c70320b3dac00fef06381ef90a2a82a1f3137109b033d84e5b70185039af6ec918012dc03bc9d046cd8d8aee3247ba0f59d394e78f1f73380f7a1d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4c4ngjfc.3jp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\ratt.7z

      Filesize

      693KB

      MD5

      7de6fdf3629c73bf0c29a96fa23ae055

      SHA1

      dcb37f6d43977601c6460b17387a89b9e4c0609a

      SHA256

      069979bfb2aefe3cac239fe4f2477672eb75b90c9853fb67b2ac1438f2ec44ff

      SHA512

      d1ef2299aacf429572fd6df185009960e601e49126f080fdced26ec407e5db86eaa902e474635464aac146b7de286667a398f2c5e46c4a821dad2579bfb3acf8

    • C:\Users\Admin\AppData\Local\Temp\ratt.bat

      Filesize

      1KB

      MD5

      7ea1fec84d76294d9256ae3dca7676b2

      SHA1

      1e335451d1cbb6951bc77bf75430f4d983491342

      SHA256

      9a419095c0bafc6b550f3f760c7b4f91ef3a956cfa6403d3750164ecdbe35940

      SHA512

      ab712c45081b3d1c7edd03e67a8db1518a546f3fbf00e99838dfe03a689c4867a6953e6603dcd2be458b2441f4a2b70286fd7d096549cfcf032dd2cd54d68317

    • memory/1688-37-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/1688-38-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

    • memory/1688-49-0x0000000002B10000-0x0000000002B20000-memory.dmp

      Filesize

      64KB

    • memory/1688-51-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/1728-70-0x0000000004E20000-0x0000000004E30000-memory.dmp

      Filesize

      64KB

    • memory/1728-69-0x0000000004E20000-0x0000000004E30000-memory.dmp

      Filesize

      64KB

    • memory/1728-68-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/1728-81-0x0000000004E20000-0x0000000004E30000-memory.dmp

      Filesize

      64KB

    • memory/1728-83-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/3884-66-0x0000000005270000-0x0000000005280000-memory.dmp

      Filesize

      64KB

    • memory/3884-59-0x0000000006150000-0x00000000064A4000-memory.dmp

      Filesize

      3.3MB

    • memory/3884-53-0x0000000005270000-0x0000000005280000-memory.dmp

      Filesize

      64KB

    • memory/3884-52-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/3884-67-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4024-111-0x0000000010000000-0x00000000100E2000-memory.dmp

      Filesize

      904KB

    • memory/4024-110-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/4024-104-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/4024-108-0x0000000010000000-0x00000000100E2000-memory.dmp

      Filesize

      904KB

    • memory/4520-17-0x0000000005500000-0x0000000005522000-memory.dmp

      Filesize

      136KB

    • memory/4520-15-0x0000000004ED0000-0x0000000004F06000-memory.dmp

      Filesize

      216KB

    • memory/4520-35-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4520-32-0x0000000004F90000-0x0000000004FA0000-memory.dmp

      Filesize

      64KB

    • memory/4520-13-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4520-19-0x0000000005E60000-0x0000000005EC6000-memory.dmp

      Filesize

      408KB

    • memory/4520-18-0x0000000005C00000-0x0000000005C66000-memory.dmp

      Filesize

      408KB

    • memory/4520-31-0x00000000065C0000-0x000000000660C000-memory.dmp

      Filesize

      304KB

    • memory/4520-30-0x00000000064C0000-0x00000000064DE000-memory.dmp

      Filesize

      120KB

    • memory/4520-14-0x0000000004F90000-0x0000000004FA0000-memory.dmp

      Filesize

      64KB

    • memory/4520-29-0x0000000005FD0000-0x0000000006324000-memory.dmp

      Filesize

      3.3MB

    • memory/4520-16-0x00000000055D0000-0x0000000005BF8000-memory.dmp

      Filesize

      6.2MB

    • memory/5116-96-0x0000000005630000-0x0000000005984000-memory.dmp

      Filesize

      3.3MB

    • memory/5116-101-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5116-100-0x0000000004870000-0x0000000004880000-memory.dmp

      Filesize

      64KB

    • memory/5116-98-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

      Filesize

      304KB

    • memory/5116-86-0x0000000004870000-0x0000000004880000-memory.dmp

      Filesize

      64KB

    • memory/5116-84-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5116-85-0x0000000004870000-0x0000000004880000-memory.dmp

      Filesize

      64KB